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Determine the equilibrium constant, K, value (ignore units) at the 460.0K for the following reaction? N2(g)+3H2(g)→ 2NH3(g) What is the equilibrium constant, K, value at 460.0K for the following
At 25oC the substance X is an element which has the elemental form of X(s). At 25oC the standard enthalpy of formation of HXO4 (g) is -970.8 kJ/mol.
The allowed energies of the quantum system are 1.0 eV, 2.0 eV, 4.0 eV and 7.0 eV. Find out the wavelengths appear in the system's emission spectrum?
Given that So=201.0 J/mol K for RO2 (g) and So=138.4J/mo lK for RO3 (g) at25oC. Determine the standard change in entropy (J/K) at25oC for the reaction below?
A hair dryer draws 1200W, a curling iron draws 800 W and the electric light fixture draws 500 W. When all three of these appliances are operating in parallel on a 120 V circuit, determine the net c
Elemental Boron is a mixture of two isotopes, Boron- 11 and Boron- 10, of atomic mass 11.009 amu and 1-.013 amu respectively. The atomic mass of Boron recorded in the Periodic Table is 10.81 amu.
Illustrate the structures for these alkenes. Explain which alkenes would you predict to be produced in the greatest abundance? When 2-butanol undergoes E1 dehydration, three alkenes are obtained.
An object joined to a spring shows simple harmonic motion having amplitude of 10.0 cm. Determine how far from equilibrium will the object is when the potential energy of the system is equivalent to
When the starting temperature of the balloon was 18 degree Celsius, then what final temperature is required to raise the volume of a hot air balloon from 960 h to 1200 h?
For each of the given we have Z_100= {0,1,2,3,....,99} with a and b as element of Z_100 and f: Z_100--->Z_100 is a function stated by f(x)=ax+b(mod 100).
Determine the concentration, in mg/mL, of Ag + and PO3^ -3which will remain in the solution if 50.00mL of 0.020F AgNO3 is mixed with 150.00mL of 0.0250 FNa3PO4. Will a precipitate be formed?
The two similar charges are separated through a distance of 0.5 m. The force which the first charge applies on the second is 360 N. The magnitude of each and every charge is?
How would you separate the acetylsalicylic acid in this case? Sometimes aspirin (acetylsalicylic acid) is present in analgesic tablets such as a calcium salt, which is water soluble.
Determine the molarity of the chloride ion in the original unknown calcium chloride solution assuming the solution contained only the calcium chloride.
Compute the force the moon applies on you (TF). Suppose d to the moon be 3.8 multiplied by 10^8 m. Mass M of the moon is 7.4 x 10^22 kg. Employ this equation- TF = 4GMR/d^3.
Determine the molar mass of acetaminophen, C8H9NO2? Determine the number of molecules of acetaminophen in a single dose of two tablets, each containing 500.00 mg of the drug.
(i) Determine what pulse rate does the Earth-based observer compute? (ii) Determine what would be the pulse rate when the speed of the space vehicle was raised to 0.940c?
Suppose 100.0ml of 2.00 x 10-3 M KSCN was mixed with 100.0ml of 2.00 x 10-3 M Fe(NO3)3. At a given temperature the equilibrium constant for a reaction is 1.40 x 102.
Determine the enthalpy charge for the incomplete combustion of methane (CH4) from the following data. (Hint: You will need to write the balanced overall reaction, remembering that incomplete combust
A lens having an index of refraction of around 1.60 is to be coated having a material (n_2 = 1.38) which will make the lens non-reflecting for yellow-orange light (lambda = 515nm) normally incident
Then grasp two threads together with one hand (starting at C) and little by little move away from C, paying out two threads. With other hand, draw path of join of two threads at fingers. Illustrate
What would be the temperature of distillation and the weight composition of the distillate if a mixture of bromo-benzene and water was subjected to steam distillation at 100 mm pressure.
A real object's distance from the converging lens is 6 times the focal length. (i) Find out the place of the image q in terms of the focal length f.
The first step in the preparation of lead from its ore (galena, PbS) consists of roasting the ore. Determine the standard enthalpy change for this reaction using enthalpies of formation.
A +26 point charge is positioned 6.1 from a similar +26 point charge. Determine how much work would be needed by an external force to move a +0.17 test charge from a point mid-way among them to a po